Ellen Birnbaum, an expert on Second Temple Judaism, and John Dillon, a specialist in Platonic philosophy, draw on their strengths to translate and provide commentary on why and how Philo's Greco-Roman biography, On the Life of Abraham, is important within the context of Philo's work, early Jewish and Christian exegesis, and ancient philosophy. Their detailed analysis presents Philo's philosophical, exegetical, and literary genius to scholars and students of religion and philosophy.